Tuesday April 23, 2019

Smoking Not Associated with Higher Risk of Dementia, Says Study

“We’re saying that smoking doesn’t appear to cause dementia in this population,” Abner added

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The new national law bans indoor smoking at schools, hospitals and government offices. Pixabay

It is no secret that smoking increases the risk for cancer, heart disease, diabetes and even blindness. But puffing on a cigarette is not associated with a higher risk of dementia, says a new study.

The present study, published in the Journal of Alzheimer’s Disease, stands in contrast to the previous research that found a correlation between smoking and dementia.

“The underlying data (in those studies) was solid, but the analysis didn’t take into account the idea of competing risk of mortality, which we felt was an important factor to consider in this case since smoking is so strongly associated with earlier death,” Erin Abner from University of Kentucky, who was among the the researchers, said.

For the study, the researchers included 531 initially cognitively-normal people.

They used a statistical method called competing risk analysis to determine whether there was a connection between smoking and dementia.

Other than chronic diseases, lifestyle habits like smoking causes cancer too. Pixabay
Other than chronic diseases, lifestyle habits like smoking causes cancer too. Pixabay

The data demonstrated that smoking was associated with a risk of earlier death — but not dementia.

“While our study results could influence smoking cessation policy and practice, we feel that the most important consequence of our work is to demonstrate how this method could change the way we approach dementia research and to advocate for its adoption in the appropriate areas of study,” said Abner.

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“To be clear, we are absolutely not promoting smoking in any way.

“We’re saying that smoking doesn’t appear to cause dementia in this population,” Abner added. (IANS)

Next Story

Avoid Smoking During Pregnancy To Prevent Premature Births

The negative health impacts of cigarette smoking during pregnancy, including low birth weight, delayed intrauterine development, pre-term birth, infant mortality, and long-term developmental delays, are well known. 

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The researcher plans to look at quit rates and smoking intensity and their impact on the risk of infant mortality. Pixabay

Expecting mothers, take note. As smoking during pregnancy is linked with negative health outcomes, a team of researchers has found that smoking cessation during pregnancy may reduce the risk of pre-term birth.

The findings, published in the JAMA Network Open journal, showed that the probability of pre-term birth decreased with earlier smoking cessation in pregnancy — up to a 20 per cent relative decrease if cessation occurred at the beginning of pregnancy.

baby
If we determine quitting, and quitting early, reduces the risk of infant mortality, then that may speak to mothers even more saliently about the importance of smoking cessation. Pixabay

“Of concern, though, given the substantial benefits of smoking cessation during pregnancy is that the proportion of pre-pregnancy smokers who quit smoking during pregnancy has remained essentially stagnant since 2011,” said lead author Samir Soneji from The Dartmouth Institute for Health Policy and Clinical Practice in the US.

For the study, the researchers conducted a cross-sectional study of more than 25 million pregnant women who gave birth to live neonates during a six-year period — measuring their smoking frequency three months prior to pregnancy and for each trimester during pregnancy.

The negative health impacts of cigarette smoking during pregnancy, including low birth weight, delayed intrauterine development, pre-term birth, infant mortality, and long-term developmental delays, are well known.

But the good news is that the proportion of women who start their pregnancy as smokers has been declining in recent years, the researchers said.

smoking

The findings, published in the JAMA Network Open journal, showed that the probability of pre-term birth decreased with earlier smoking cessation in pregnancy — up to a 20 per cent relative decrease if cessation occurred at the beginning of pregnancy. Pixabay

However, the study also found that only about 25 per cent of women who smoked prior to pregnancy were able to quit throughout their pregnancy, and approximately 50 per cent of women who smoked during their pregnancy did so with high frequency (more than 10 cigarettes per day).

The researcher plans to look at quit rates and smoking intensity and their impact on the risk of infant mortality.

Also Read: How Netflix Binge-Watching Can Lead You The “Mean World Syndrome”

“Thankfully most premature babies end up doing well,” he said.

“But premature birth is strongly linked to infant mortality. If we determine quitting, and quitting early, reduces the risk of infant mortality, then that may speak to mothers even more saliently about the importance of smoking cessation,” he added. (IANS)